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[1/2] dt-bindings: abx80x: Add autocal-filter property

Message ID 20200530124900.363399-1-kevin+linux@km6g.us
State Superseded
Headers show
Series [1/2] dt-bindings: abx80x: Add autocal-filter property | expand

Commit Message

Kevin P. Fleming May 30, 2020, 12:48 p.m. UTC
Add a property to allow control of the autocalibration filter

Signed-off-by: Kevin P. Fleming <kevin+linux@km6g.us>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Rob Herring <robh+dt@kernel.org>
To: linux-rtc@vger.kernel.org
To: devicetree@vger.kernel.org
 Documentation/devicetree/bindings/rtc/abracon,abx80x.txt | 6 ++++++
 1 file changed, 6 insertions(+)
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diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
index 2405e35a1bc0..ad5d59ed6f24 100644
--- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
+++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
@@ -29,3 +29,9 @@  and valid to enable charging:
  - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V)
  - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output
                           resistor, the other values are in kOhm.
+All of the devices can have a 47pf capacitor attached to increase the
+autocalibration accuracy of their RC oscillators. To enable usage of the
+capacitor the following property has to be defined:
+ - "abracon,autocal-filter"